// Just set this to the number of images in the menu Name directory

var lState=0;

function MenuAnimation() {
var obj;
var sFileNumber;
var randomMenuFile;
var sName;

if(lState==0) {
    obj=document.getElementById('imgDisplayA');
	randomMenuFile=Math.floor(Math.random()*12);
	
} else {
    obj=document.getElementById('imgDisplayB');
	randomMenuFile=Math.floor(Math.random()*24);
}
/* file names are base one */
randomMenuFile++;

/* Account for leading zeros */
if(randomMenuFile<=9) {
    sFileNumber="0"+randomMenuFile;
} else {
   sFileNumber=randomMenuFile;
}

if(lState==0) {
	sName="Image/a" + sFileNumber;
} else {
	sName="Image/b" + sFileNumber;
}

sName+=".jpg";
obj.src=sName;

/* Flipflop switch */
if(lState==0) lState=1; else lState=0;

}